Alarm



FIG. 1 is a perspective view of an alarm showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is an elevational view of the opposite end thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an alarm, as shown. 